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VULNERABILITIES

CVE-2026-109352 Details

Description

LibreNMS before 26.9.0 contains a stored cross-site scripting vulnerability in includes/html/pages/device/wireless.inc.php, which echoes wireless sensor sensor_descr values, populated from SNMP DisplayString fields during discovery, into HTML without escaping. Attackers controlling a monitored device's SNMP agent can set values such as AI-AP-MIB::aiSSID to malicious JavaScript that executes when authenticated users view the device's Wireless tab, enabling session hijacking.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6 CISA-ADP
https://github.com/librenms/librenms/security/advisories/GHSA-ffjc-4fr5-47c6 [email protected]
https://www.vulncheck.com/advisories/librenms-before-26.9.0-stored-xss-via-wireless-sensor-description [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109352
NVD Published Date:
Oct 12, 2026
NVD Last Modified:
Oct 15, 2026
Source:
[email protected]
CVE-2026-109352 Details - Not Deferred